How many flights from Chiang Mai to Seoul are non-stop?

In the trailing 90 days, approximately 26.4% of flights from Chiang Mai to Seoul were non-stop. For flights that included stopovers, the median number of stopovers was 1. Travelers seeking direct routes can often find them, though connecting flights are also common for this route.

How long is the flight from Chiang Mai to Seoul?

The direct flight from Chiang Mai to Seoul typically takes about 5 hours and 25 minutes, covering a distance of 3382 kilometers. For flights with one stop, the median duration extends to approximately 9 hours and 50 minutes. Travel times can vary based on the number of connections.

How often do Chiang Mai to Seoul flight prices drop?

Historically, flight prices for the Chiang Mai to Seoul route are classified as dropping frequently. This indicates that travelers may often find opportunities for price reductions. This trend is based on observations over a 30-day period, suggesting regular fluctuations in pricing.

Flights From Chiang Mai

To Seoul

Cheap Flights from Chiang Mai to Seoul

Browse current best options from Chiang Mai. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Chiang Mai

RatePunk searches hundreds of travel sites at once for deals on flights to Seoul

Prices updated today

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Chiang Mai to Seoul

Explore current cheapest deals departing from Chiang Mai to Seoul

2026-10-01 – 2026-10-10
CNX - Seoul
69% AI deal score
$217
$203
Round trip
2026-10-01 – 2026-10-06
CNX - Seoul
77% AI deal score
$243
$205
Round trip
2026-10-01 – 2026-10-05
CNX - Seoul
78% AI deal score
$253
$206
Round trip
2026-10-02 – 2026-10-06
CNX - Seoul
78% AI deal score
$253
$208
Round trip
2026-10-01 – 2026-10-09
CNX - Seoul
74% AI deal score
$219
$209
Round trip
2026-10-02 – 2026-10-09
CNX - Seoul
75% AI deal score
$232
$212
Round trip
2026-10-03 – 2026-10-05
CNX - Seoul
76% AI deal score
$253
$216
Round trip
2026-10-02 – 2026-10-10
CNX - Seoul
73% AI deal score
$219
$216
Round trip
2026-10-02 – 2026-10-07
CNX - Seoul
75% AI deal score
$243
$221
Round trip
2026-09-24 – 2026-10-10
CNX - Seoul
69% AI deal score
$225
$224
Round trip

Chiang Mai to Seoul: Overview

Insights for flights from Chiang Mai to Seoul

For travelers looking for cheap flights from Chiang Mai to Seoul, prices right now are below the typical level. Fares for this route typically range from $241–$364, with a median of $281. Currently, about 9% of recent fares are classified as a good price, and new deals appear almost daily.

When is the cheapest time to fly from Chiang Mai to Seoul? The data indicates that January is typically the most affordable month, with a median fare of $229. Other cost-effective options include October, with a median of $237, and August, where the median fare is $246.

Most itineraries from Chiang Mai to Seoul connect at least once, with only 26.4% of recent fares being direct flights from Chiang Mai to Seoul. For connecting itineraries, the typical number of stopovers is 1.

A typical journey from Chiang Mai to Seoul, including connections, takes approximately 12h 15m. This duration accounts for the median flight time across all observed itineraries, reflecting the prevalence of connecting flights on this route.

The distance between Chiang Mai and Seoul is 3,382 kilometers, classifying it as a medium-haul route. This distance typically involves a flight duration that is neither very short nor very long, often requiring a single stopover for connecting flights.

How much is a round trip from Chiang Mai to Seoul

Regular price: $245 - $380

Prices for flights from Chiang Mai to Seoul are currently below the regular range.

The regular price range for flights from Chiang Mai to Seoul is between $245 and $380. The current lowest deal is $226 with Air Busan for travel from Sep 21-Sep 25.

now $226

Low $245

High $380

The cheapest time to fly from Chiang Mai to Seoul

Flights from Chiang Mai to Seoul are cheapest in January, with a median price of $229. The most expensive month to fly is September, with a median price of $552. Generally, prices are lower from January to December.

January

Cheapest

Flights from $229

September

Most Expensive

Flights from $552

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Chiang Mai to Seoul

Arcus-Air Logistic

Last-minute flights going from Chiang Mai to Seoul

Tue, Sep 15

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$235

$240

One-way

Tue, Sep 15

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$235

$240

One-way

Tue, Sep 15

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

MyTravel Airways

$382

$343

One-way

Tue, Sep 15

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

MyTravel Airways

$413

$379

One-way

Wed, Sep 16

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$235

$240

One-way

Wed, Sep 16

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$235

$240

One-way

Biggest price drops on these dates for flights from Chiang Mai to Seoul

4 nights

Sep 21 - Sep 25

$305 → $224

27%

1 night

Sep 16 - Sep 17

$338 → $258

24%

5 nights

Sep 24 - Sep 29

$344 → $266

23%

4 nights

Sep 25 - Sep 29

$357 → $282

21%

Popular Airports to fly from Chiang Mai to Seoul

Chiang Mai - Seoul route insights

💸 Price insights

Recent fares below the typical level

Recent fares from Chiang Mai to Seoul are below the typical level, with 9% good prices.

📅 Best time to fly

January, October, and August are cheapest

Historically, January ($229), October ($237), and August ($246) offer the lowest median prices.

⏱️ Flight duration

Typically 12h 15m with one stop

Flights to Seoul typically take 12h 15m, with most routes including one stopover.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 73.6% of routes, with direct options available from Arcus-Air Logistic.

🏆 Airline highlight

Air Busan offers a recent deal

Air Busan recently offered a deal for $226 from Chiang Mai to Seoul.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Chiang Mai to Seoul are frequent, appearing within a 30-day window.

Chiang Mai main airports to depart from

Chiang Mai International (CNX)

Cheapest

Chiang Mai International Airport is a good option for flights from Chiang Mai to Seoul.

📍 ~8 km from city center (reachable by car)

💸 Flights from ~$207

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International Airport is a great option for flights from Chiang Mai to Seoul.

📍 ~48 km from Seoul city center (reachable by car)

💸 Flights from ~$199

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International Airport is a useful alternative, serving as a primary low-cost carrier hub for regional international routes.

📍 ~110 km from Seoul (reachable by bus and rail)

💸 Flights from ~$388

Business & First Class Flight Deals to Seoul

Discover luxury on the budget with premium cabin class on flights from Chiang Mai to Seoul.

Elite

Best Elite deals to Seoul

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From CNX

Elite

Dec 10

Seoul, South Korea

91% AI deal score

$1,484

$729

Save $755

Arcus-Air Logistic

Business Class

From CNX

Elite

Dec 09

Seoul, South Korea

91% AI deal score

$1,480

$729

Save $751

Arcus-Air Logistic

Business Class

From CNX

Elite

Dec 10

Seoul, South Korea

91% AI deal score

$1,471

$729

Save $742

Arcus-Air Logistic

Business Class

From CNX

Elite

Dec 10

Seoul, South Korea

91% AI deal score

$1,503

$729

Save $774

Arcus-Air Logistic

Business Class

From CNX

Elite

Dec 10

Seoul, South Korea

91% AI deal score

$1,496

$729

Save $767

Arcus-Air Logistic

Business Class

From CNX

Elite

Dec 09

Seoul, South Korea

91% AI deal score

$1,493

$729

Save $764

Arcus-Air Logistic

Business Class

From CNX

Elite

Dec 09

Seoul, South Korea

91% AI deal score

$1,496

$729

Save $767

Arcus-Air Logistic

Business Class

From CNX

Elite

Dec 09

Seoul, South Korea

91% AI deal score

$1,466

$729

Save $737

Arcus-Air Logistic

Business Class

From CNX

Elite

Dec 10

Seoul, South Korea

91% AI deal score

$1,487

$729

Save $758

Arcus-Air Logistic

Business Class

From CNX

Elite

Dec 10

Seoul, South Korea

91% AI deal score

$1,485

$729

Save $756

Arcus-Air Logistic

Business Class

From CNX

Elite

Dec 10

Seoul, South Korea

91% AI deal score

$1,513

$729

Save $784

Arcus-Air Logistic

Business Class

From CNX

Elite

Dec 09

Seoul, South Korea

91% AI deal score

$1,479

$729

Save $750

Arcus-Air Logistic

Business Class

Frequently Asked Questions About Flights to Seoul

Historically, the optimal booking window for flights from Chiang Mai to Seoul is typically between 28 and 59 days prior to departure. During this period, the average price observed was $260. Prices tend to be higher for very last-minute bookings, with flights purchased 0-6 days out averaging $453. Conversely, booking more than 60 days in advance also shows a higher average price of $490.

Across the trailing quarter, a good price for a flight from Chiang Mai to Seoul is considered to be $241 or less. The median price for this route was $281. Prices can vary, with 75% of observed fares being $364 or less. These figures are based on pricing trends over a 90-day period.

Historically, the cheapest months to fly from Chiang Mai to Seoul include January, with a median price of $229, and October, with a median price of $237. August also tends to be a more affordable month, showing a median price of $246. The annual median price for this route is $281, based on data observed over 270 days.

Related routes

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Flights to Seoul from other cities

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Chiang Mai to Seoul: Overview

Insights for flights from Chiang Mai to Seoul

How much is a round trip from Chiang Mai to Seoul

Regular price: $245 - $380

Prices for flights from Chiang Mai to Seoul are currently below the regular range.

The regular price range for flights from Chiang Mai to Seoul is between $245 and $380. The current lowest deal is $226 with Air Busan for travel from Sep 21-Sep 25.

now $226

Low $245

High $380

The cheapest time to fly from Chiang Mai to Seoul

January

Cheapest

Flights from $229

September

Most Expensive

Flights from $552

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Chiang Mai to Seoul

Arcus-Air Logistic

Last-minute flights going from Chiang Mai to Seoul

Tue, Sep 15

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$235

$240

One-way

Tue, Sep 15

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$235

$240

One-way

Tue, Sep 15

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

MyTravel Airways

$382

$343

One-way

Tue, Sep 15

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

MyTravel Airways

$413

$379

One-way

Wed, Sep 16

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$235

$240

One-way

Wed, Sep 16

⌛ Last-Minute

CNX - Seoul

Chiang Mai (CNX) - Seoul (ICN)

Sierra National Airlines

$235

$240

One-way

Biggest price drops on these dates for flights from Chiang Mai to Seoul

4 nights

Sep 21 - Sep 25

$305 → $224

27%

1 night

Sep 16 - Sep 17

$338 → $258

24%

5 nights

Sep 24 - Sep 29

$344 → $266

23%

4 nights

Sep 25 - Sep 29

$357 → $282

21%

Popular Airports to fly from Chiang Mai to Seoul

Chiang Mai - Seoul route insights

💸 Price insights

Recent fares below the typical level

Recent fares from Chiang Mai to Seoul are below the typical level, with 9% good prices.

📅 Best time to fly

January, October, and August are cheapest

Historically, January ($229), October ($237), and August ($246) offer the lowest median prices.

⏱️ Flight duration

Typically 12h 15m with one stop

Flights to Seoul typically take 12h 15m, with most routes including one stopover.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 73.6% of routes, with direct options available from Arcus-Air Logistic.

🏆 Airline highlight

Air Busan offers a recent deal

Air Busan recently offered a deal for $226 from Chiang Mai to Seoul.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Chiang Mai to Seoul are frequent, appearing within a 30-day window.

Chiang Mai main airports to depart from

Chiang Mai International (CNX)

Cheapest

Chiang Mai International Airport is a good option for flights from Chiang Mai to Seoul.

📍 ~8 km from city center (reachable by car)

💸 Flights from ~$207

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International Airport is a great option for flights from Chiang Mai to Seoul.

📍 ~48 km from Seoul city center (reachable by car)

💸 Flights from ~$199

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International Airport is a useful alternative, serving as a primary low-cost carrier hub for regional international routes.

Seoul, South Korea

91% AI deal score

$1,479

$729

Save $750

Arcus-Air Logistic

Business Class

Frequently Asked Questions About Flights to Seoul

Cheap Flights from Chiang Mai to Seoul

Today’s best flight deals from Chiang Mai to Seoul

Chiang Mai to Seoul: Overview

Insights for flights from Chiang Mai to Seoul

How much is a round trip from Chiang Mai to Seoul

The cheapest time to fly from Chiang Mai to Seoul

Direct flights from Chiang Mai to Seoul

Last-minute flights going from Chiang Mai to Seoul

Biggest price drops on these dates for flights from Chiang Mai to Seoul

Popular Airports to fly from Chiang Mai to Seoul

Chiang Mai - Seoul route insights

Recent fares below the typical level

January, October, and August are cheapest

Typically 12h 15m with one stop

Connecting flights are dominant

Air Busan offers a recent deal

Deals are frequent on this route

Chiang Mai main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Dec 10

Dec 09

Dec 10

Dec 10

Dec 10

Dec 09

Dec 09

Dec 09

Dec 10

Dec 10

Dec 10

Dec 09

Frequently Asked Questions About Flights to Seoul

When should I buy Chiang Mai to Seoul tickets?

What is a good price for a flight from Chiang Mai to Seoul?

When is the cheapest time of year to fly from Chiang Mai to Seoul?

How many flights from Chiang Mai to Seoul are non-stop?

How long is the flight from Chiang Mai to Seoul?

How often do Chiang Mai to Seoul flight prices drop?

Related routes

More routes from Chiang Mai

Flights to Seoul from other cities

Chiang Mai to Seoul: Overview

Insights for flights from Chiang Mai to Seoul

How much is a round trip from Chiang Mai to Seoul

The cheapest time to fly from Chiang Mai to Seoul

Direct flights from Chiang Mai to Seoul

Last-minute flights going from Chiang Mai to Seoul

Biggest price drops on these dates for flights from Chiang Mai to Seoul

Popular Airports to fly from Chiang Mai to Seoul

Chiang Mai - Seoul route insights

Recent fares below the typical level

January, October, and August are cheapest

Typically 12h 15m with one stop

Connecting flights are dominant

Air Busan offers a recent deal

Deals are frequent on this route

Chiang Mai main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Dec 10

Dec 09

Dec 10

Dec 10

Dec 10

Dec 09

Dec 09

Dec 09

Dec 10

Dec 10

Dec 10

Dec 09

Frequently Asked Questions About Flights to Seoul

When should I buy Chiang Mai to Seoul tickets?

What is a good price for a flight from Chiang Mai to Seoul?

When is the cheapest time of year to fly from Chiang Mai to Seoul?